CN210697977U

CN210697977U - Ophthalmologist is with filtering protective structure

Info

Publication number: CN210697977U
Application number: CN201921041656.2U
Authority: CN
Inventors: 原公强; 张静静; 田景毅; 孙晓蕾
Original assignee: Affiliated Ophthalmic Hospital Of Shandong First Medical University Shandong Ophthalmic Hospital
Current assignee: Affiliated Ophthalmic Hospital Of Shandong First Medical University Shandong Ophthalmic Hospital
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-06-09
Anticipated expiration: 2029-07-05

Abstract

An optical filtering protection structure for ophthalmologists comprises a sleeving structure sleeved on the periphery of an eyepiece of a slit lamp microscope, an optical filter placing groove arranged on the outer side of the sleeving structure and an optical filter used for filtering laser, and is characterized in that a transverse adjusting structure used for adjusting the transverse distance of the sleeving structure is arranged between the sleeving structures on the eyepieces on two sides; the inner diameter of the sleeving structure is larger than the diameter of the ocular lens, the diameter of the optical filter placing groove is larger than that of the optical filter, and the diameter of the optical filter is larger than that of the ocular lens; the two ends of the transverse adjusting structure are respectively connected with a sleeving structure integrally, the sleeving structure is combined and connected with the ocular lens, and the optical filter placing groove is connected with the sleeving structure integrally; the optical filter is arranged in the optical filter placing groove, and the optical filter is connected with the optical filter placing groove in a combined mode.

Description

Ophthalmologist is with filtering protective structure

Technical Field

The utility model belongs to optical instrument equipment field, concretely relates to is an ophthalmologist is with filtering protective structure.

Background

Ophthalmology is the medical field of protecting light and removing darkness for human beings. The ophthalmology department is a branch of ophthalmology field with many difficult and complicated diseases, great treatment difficulty and high risk, and is the last battlefield of light and dark crossing.

Almost all fundus examination and operation must be completed in a darkly lighted examination room, and only through the light emitted from the medical equipment, the doctor can clearly find out the fundus diseases hidden in the deep part of the patient's eye, and only then can do ' fine carving ' on the eyeball of 23 mm.

With the continuous progress and development of science, ophthalmic surgery has entered the microsurgical age. The operation microscope is used, so that not only can a doctor see the fine structure of the operation part clearly, but also various microsurgery which can not be completed by naked eyes can be performed, the operation treatment range is greatly expanded, and the operation precision and the patient cure rate are improved. Currently, surgical microscopes have become a common medical device.

The laser therapy under microscope has been developed deeply in the field of ophthalmology because the eyeball itself is an optical system, light can reach each layer of tissues of the eyeball through refractive interstitium, fundus diseases is a field of laser which is widely applied, and besides diabetic fundus diseases, the laser is also widely applied to retinal vascular diseases, macular lesions, formation of subretinal new blood vessels, retinal hiatus, retinal choroidal tumors and the like.

532nm laser and 1064nm laser are commonly used for ophthalmic laser treatment, and the above two lasers can produce radiation, stimulation and the like to eyes, and an ophthalmologist needs to carry out a plurality of ophthalmic laser operations every day, and the long-term emmetropia laser of eyes can produce irreversible damage to eyes, and the laser goggles commonly used in clinic at present protect eyes, but when observing positions except for the operation position, the cooperation operation in the operation process is not facilitated because of darker light.

The utility model discloses need carry out many ophthalmology laser operations to ophthalmologist every day among the prior art, eyes are long-term emmetropia laser can produce irreversible harm to eyes, and the laser goggles protection eyes commonly used at present, but when observing the position except that the operation position, because of the darker problem that is unfavorable for the cooperation operation of operation in-process of light, provide an ophthalmologist with filtering protective structure.

SUMMERY OF THE UTILITY MODEL

In order to overcome among the prior art ophthalmologist need carry out many ophthalmology laser surgery every day, eyes are long-term emmetropia laser can produce irreversible harm to eyes, and present clinical laser goggles protection eyes commonly used, but when observing the position except that the operation position, because of the darker problem that is unfavorable for the cooperation operation of operation in-process of light, the utility model provides an ophthalmologist is with filtering protective structure.

An optical filtering protection structure for ophthalmologists comprises a sleeving structure sleeved on the periphery of an eyepiece of a slit lamp microscope, an optical filter placing groove arranged on the outer side of the sleeving structure and an optical filter used for filtering laser, and is characterized in that a transverse adjusting structure used for adjusting the transverse distance of the sleeving structure is arranged between the sleeving structures on the eyepieces on two sides; the inner diameter of the sleeving structure is larger than the diameter of the ocular lens, the diameter of the optical filter placing groove is larger than that of the optical filter, and the diameter of the optical filter is larger than that of the ocular lens; the two ends of the transverse adjusting structure are respectively connected with a sleeving structure integrally, the sleeving structure is combined and connected with the ocular lens, and the optical filter placing groove is connected with the sleeving structure integrally; the optical filter is arranged in the optical filter placing groove and is combined and connected with the optical filter placing groove; through installing cup joint structure on the operation microscope eyepiece, cup joint structure is peripheral at the eyepiece, installs the light filter in the light filter standing groove, and the light filter is close to ophthalmologist's one side promptly in the eyepiece outside, and when the doctor sees through the light filter and carries out laser surgery, the laser that gets into doctor's eyes is weakened, then can avoid laser to doctor's injury, and the setting of horizontal regulation structure can make cup joint structure carry out the change of lateral distance to adapt to different doctors and use.

Further, the sleeving structure is an annular sleeving barrel matched with the shape of the eyepiece; when in use, the sleeve joint barrel is arranged on the ocular.

Further, sleeve structures with different diameters are arranged; this arrangement can be adapted to non-conforming surgical microscopes.

Or the sleeving structure is an annular sleeving barrel with the adjustable caliber, and the annular sleeving barrel comprises an adjusting sheet and an adjusting sheet accommodating cavity for accommodating the adjusting sheet, and the adjusting sheet extends into the adjusting sheet accommodating cavity; the diameter of the sleeve structure is adjusted by adjusting the length of the adjusting sheet exposed out of the accommodating cavity of the adjusting sheet, so that the sleeve structure is suitable for operation microscopes with different specifications.

Furthermore, a push-pull handle is arranged on the adjusting sheet and is integrally connected with the adjusting sheet; a window capable of accommodating a push-pull handle to slide is arranged on the upper wall of the accommodating cavity of the adjusting sheet; the arrangement is convenient for pushing and pulling the adjusting sheet, thereby adjusting the adjusting sheet to a proper position.

Furthermore, at least 4 sleeving structures are arranged, and the 4 sleeving structures are respectively arranged on the eyepieces on the two sides of the doctor operating end and the eyepieces on the two sides of the assistant doctor end; this arrangement protects the eyes of the doctor and the assistant doctor from the laser light.

Further, the optical filter placing groove is arranged as a semicircular groove, and the optical filter placing groove is arranged at the lower half part of the outer side wall of the sleeving structure; the arrangement is convenient for taking and placing the optical filter.

Furthermore, a handheld handle convenient for taking the optical filter is arranged at the upper end of the optical filter, and the handheld handle is integrally connected with the optical filter; the arrangement of the handheld handle can prevent hands from directly contacting the optical filter, so that the definition of the optical filter is kept.

Further, a plurality of filters with different filtering capacities are arranged; this arrangement can meet the requirements for filtering lasers of different intensities.

Further, the optical filter comprises an optical filter for filtering 532nm laser light and an optical filter for filtering 1064nm laser light.

Further, the transverse adjusting structure is an elastic connecting rope made of medical silica gel materials, and the elastic connecting rope is integrally connected with the sleeving structure; when the telescopic sleeve is used, different doctors can adjust the sleeve structure to a proper distance according to self needs.

Or the transverse adjusting structure is a transverse telescopic rod, the transverse telescopic rod comprises a movable rod and an accommodating pipe for accommodating the movable rod, the movable rod is arranged in the accommodating pipe, and the movable rod is connected with the accommodating pipe in a combined manner; one end of the movable rod is integrally connected with the sleeving structure, and one end of the accommodating pipe is integrally connected with the sleeving structure; the telescopic rod is convenient and fast to arrange when the transverse distance of the sleeving structure is adjusted, and is time-saving and efficient.

Furthermore, a thread cylinder is arranged on the side wall of one side of the accommodating pipe and communicated with the inside of the accommodating pipe, and a thread locking handle is arranged in the thread cylinder; during the use, when the carriage release lever arrived suitable position, screwed up the locking handle, fixed the carriage release lever in the holding tube, made the carriage release lever no longer take place to remove to confirm the distance between two cup joint structures.

Further, a fixing structure used for guaranteeing the stability of the sleeving structure is arranged, and the fixing structure is integrally connected with the accommodating pipe.

Further, the fixing structure comprises a connecting rod integrally connected with the accommodating tube and a fixing ring combined and connected with the connecting rod, the fixing ring is arranged on the microscope main body at the rear end of the eyepiece, and the fixing ring is combined and connected with the microscope main body; this kind of setting can be fixed whole light filtering protective structure on the microscope, prevents that the cup joint structure from droing from the microscope.

Furthermore, the connecting rod is arranged to be a longitudinal telescopic rod perpendicular to the direction of the accommodating pipe, the longitudinal telescopic rod comprises a fixed pipe and an adjusting rod, and the adjusting rod is arranged in the fixed pipe; the adjusting rod is connected with the fixed tube in a combined manner, one end of the fixed tube is integrally connected with the accommodating tube, and the free end of the adjusting rod is connected with the fixing ring in a combined manner; the length of the longitudinal telescopic rod can be adjusted according to the distance between the ocular and the microscope body at the rear end of the ocular, so that the fixing ring is fixed at a proper position.

Furthermore, a locking rotary drum is arranged at the free end of the fixed pipe, the inner diameter of the locking rotary drum is larger than the outer diameter of the fixed pipe, threads are arranged in the locking rotary drum, threads corresponding to the locking rotary drum are arranged on the fixed pipe, and the locking rotary drum is connected with the fixed pipe in a combined manner in a threaded connection manner; one end of the locking rotary drum is sleeved on the periphery of the fixed pipe, and the other end of the locking rotary drum is sleeved on the periphery of the adjusting rod; during the use, after will adjusting the pole and adjust suitable position, will fix the pipe with the rigidity of adjusting the pole through screwing up the locking rotary drum to keep the length of vertical telescopic link no longer to change.

Furthermore, the fixing ring is an adjustable fixing ring which is made of medical metal materials and has certain softness, the top end of the adjustable fixing ring is provided with an angle adjusting structure, and the bottom end of the adjustable fixing ring is provided with a locking structure; when the adjustable fixing ring is used, the angle of the adjustable fixing ring is adjusted through the angle adjusting structure, so that the adjustable fixing ring is smoothly installed on the microscope main body at the rear end of the eyepiece.

Furthermore, the adjustable fixing ring comprises a semicircular arc adjusting cavity and a semicircular arc adjusting section, and one end of the semicircular arc adjusting section is arranged in the semicircular arc adjusting cavity; the semicircular arc adjusting section can rotate in the semicircular arc adjusting cavity, so that the size of the adjustable fixing ring is adjusted to adapt to slit lamp microscopes with different specifications.

Furthermore, the angle adjusting structure comprises a hollow spherical accommodating cavity arranged at the top end of the openable ring and a spherical rotating ball arranged at the free end of the adjusting rod; the rotary ball is connected with the adjusting rod integrally, and the spherical containing cavity is connected with the openable ring integrally; the rotary ball is arranged in the spherical containing cavity; the upper end of the spherical accommodating cavity is provided with an opening for ensuring that the rotating ball rotates for 360 degrees; the arrangement can ensure that the adjustable fixing ring rotates 360 degrees, so that the angle which is the mildest with the microscope main body can be adjusted.

Furthermore, the locking structure comprises fixing plates arranged on two sides of the bottom end of the adjustable fixing ring, screw accommodating holes capable of accommodating screws are formed in the fixing plates, and screws are arranged in the screw accommodating holes; the outer side wall of the fixing plate on one side is provided with a threaded sleeve, and the threaded sleeve and the screw are connected in a combined mode in a threaded connection mode.

Furthermore, the screw is a telescopic screw and comprises a threaded cylinder with threads at one end and an adjusting screw arranged in the threaded cylinder; the screw of the arrangement can be lengthened as the adjustable fixing ring is enlarged.

During the use, at first, adjust the cup joint structure to suitable position on the two side oculars of horizontal telescopic link adjustment, install the cup joint structure on operation microscope's eyepiece, install the light filter of suitable filtering capacity in the light filter standing groove, through then adjust vertical telescopic link to suitable length, adjust suitable angle with adjustable solid fixed ring through angle adjusting structure, fix adjustable solid fixed ring in the microscope main part, guarantee the stability of cup joint structure, adjust suitable length with scalable screw at last, scalable fix with screw is in a thread section of thick bamboo, thereby with adjustable solid fixed ring's position locking.

Compared with the filtering protective structure in the prior art, the technical scheme of the utility model can select a proper optical filter to filter laser according to the intensity of the laser in the ophthalmological laser operation process, the arrangement of the transverse telescopic rod and the longitudinal telescopic rod can ensure that the whole filtering protective structure is adjusted along with the change of a microscope, or the transverse distance between the bilateral socket structures is adjusted through the elastic connecting rope, thereby adapting to different doctors to use, and the size of the adjustable fixing ring and the length of the telescopic screw can be flexibly adjusted through the arrangement of the adjustable fixing ring and the telescopic screw; the filtering protection structure has strong adjustability, is suitable for slit-lamp microscopes of various specifications and different doctors, and has broad-spectrum applicability.

Drawings

Fig. 1 is a schematic view of the overall structure of an annular socket tube with an adjustable caliber size, which is provided as a socket structure of a light filtering protective structure for ophthalmologists of the present invention;

fig. 2 is a schematic diagram of an overall right-view structure of the adjustable caliber size sleeving structure of the filtering protective structure for ophthalmologists of the present invention;

fig. 3 is a schematic diagram of the overall left-view structure of the adjustable caliber-sized sleeve structure of the optical filtering protective structure for ophthalmologists of the present invention;

fig. 4 is an overall result schematic diagram of the adjustable caliber size sleeving structure for an ophthalmologist of the present invention without an optical filter;

fig. 5 is a schematic bottom structural view of the adjustable caliber size sleeve joint structure of the optical filtering protective structure for ophthalmologists of the present invention without an optical filter;

fig. 6 is a schematic diagram of the whole rear view structure of the adjustable caliber size sleeve structure of the optical filtering protective structure for ophthalmologists of the present invention without an optical filter;

fig. 7 is a schematic view of a cross-sectional enlarged structure of the adjustable caliber size socket structure of the optical filtering protective structure for ophthalmologists of the present invention;

fig. 8 is a schematic view of the overall structure of the sleeving structure of the filtering protective structure for ophthalmologists according to the present invention;

fig. 9 is a schematic view of the overall structure of the ophthalmologist in which the elastic connecting rope is arranged between the sleeving structures with the unadjustable calibers of the filtering protection structure of the present invention;

fig. 10 is a schematic view of the overall structure of the ophthalmologist, in which the elastic connecting rope is arranged between the adjustable caliber size sleeve structures of the filtering protective structure of the present invention;

fig. 11 is a schematic view of the whole structure of the utility model, in which the filter protection structure for ophthalmologists is provided with a horizontal telescopic rod and a fixing structure;

fig. 12 is a schematic view of an overall front view structure of the utility model, in which the filter protection structure for ophthalmologists is provided with a transverse telescopic rod and a fixing structure, wherein the caliber of the sleeve structure is not adjustable;

fig. 13 is a schematic view of the overall structure of the non-adjustable diameter sleeving structure for an optical filtering protection structure for an ophthalmologist according to the present invention, wherein the sleeving structure is provided with a transverse telescopic rod and a fixed structure without an optical filter;

fig. 14 is a schematic view of an overall front view structure of the utility model, in which the filter protection structure for ophthalmologists is provided with a transverse telescopic rod and a fixed structure without an optical filter;

fig. 15 is a schematic view of an overall rear view structure of the utility model, in which the filter protection structure for ophthalmologists is provided with a transverse telescopic rod and a fixing structure without an optical filter;

fig. 16 is an enlarged schematic structural view of the filter placement groove of the filtering protection structure for ophthalmologists according to the present invention;

fig. 17 is a schematic view of an overall front view structure of the utility model of a non-adjustable caliber size sleeving structure of a light filtering protective structure for ophthalmologists, which is provided with a transverse telescopic rod;

fig. 18 is a schematic view of the overall cross-sectional structure of the sleeving structure with the horizontal telescopic rod, in which the diameter of the sleeving structure is not adjustable, for the filtering protection structure for ophthalmologists of the present invention;

fig. 19 is an enlarged schematic structural view of the fixing structure of the optical filtering protection structure for ophthalmologists according to the present invention;

fig. 20 is a schematic cross-sectional view of the longitudinal telescopic rod and the angle adjusting structure of the optical filtering protection structure for ophthalmologists of the present invention;

fig. 21 is a schematic view of a cross-sectional structure of an angle adjustment structure and an adjustable fixing ring of the optical filtering protection structure for ophthalmologists according to the present invention;

fig. 22 is an enlarged schematic structural view of the optical filter with a filtering protection structure for ophthalmologists according to the present invention.

In the figure, 1, a socket structure; 11. an optical filter placing groove; 111. an optical filter; 1111. a handle; 12. a regulating sheet; 121. a push-pull handle; 13. a tab receiving cavity; 131. a window; 14. an elastic connecting rope; 2. a transverse telescopic rod; 21. accommodating the tube; 211. a threaded barrel; 212. locking the handle; 22. a travel bar; 3. a longitudinal telescopic rod; 31. a fixed tube; 311. locking the rotary drum; 32. adjusting a rod; 321. rotating the ball; 4. an adjustable fixing ring; 41. a semi-circular arc-shaped adjusting cavity; 42. a semi-circular arc shaped adjustment section; 43. a fixing plate; 431. a screw receiving hole; 432. a retractable screw; 4321. a threaded cap; 44. a spherical containing cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation manners, under the condition of conflict-free, the characteristics in following embodiment and the embodiment can make up each other, based on the embodiment in the utility model, all other embodiments that the ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

The telescopic principle of the telescopic screw and the longitudinal telescopic rod in the technical scheme is similar to that of a selfie stick in the prior art, and the technical personnel in the field can understand the telescopic principle by referring to the prior art, so that the technical scheme does not have the problem of insufficient disclosure.

Embodiment 1 a filtering protective structure for ophthalmologists

An optical filtering protection structure for ophthalmologists comprises a sleeve structure 1 sleeved on the periphery of an eyepiece of a slit lamp microscope, an optical filter placing groove 11 arranged on the outer side of the sleeve structure 1 and an optical filter 111 used for filtering laser, and is characterized in that a transverse adjusting structure used for adjusting the transverse distance of the sleeve structure 1 is arranged between the sleeve structures 1 on the eyepieces on two sides; the inner diameter of the sleeving structure 1 is larger than the diameter of the ocular lens, the diameter of the optical filter placing groove 11 is larger than the diameter of the optical filter 111, and the diameter of the optical filter 111 is larger than the diameter of the ocular lens; the two ends of the transverse adjusting structure are respectively and integrally connected with a sleeving structure 1, the sleeving structure 1 is combined and connected with the ocular lens, and the optical filter placing groove 11 is integrally connected with the sleeving structure 1; the optical filter 111 is arranged in the optical filter placing groove 11, and the optical filter 111 is combined and connected with the optical filter placing groove 11; through installing cup joint structure 1 on the operation microscope eyepiece, cup joint structure 1 is peripheral at the eyepiece, install light filter 111 in light filter standing groove 11, light filter 111 is close to ophthalmologist's one side promptly in the eyepiece outside, when the doctor sees through light filter 111 and carries out laser surgery, the laser that gets into doctor's eyes is weakened, then can avoid laser to doctor's injury, the setting of horizontal regulation structure can make cup joint structure 1 carry out the change of lateral distance, thereby adapt to different doctors and use.

The sleeving structure 11 is an annular sleeving barrel matched with the shape of the ocular lens; when in use, the sleeve joint barrel is arranged on the ocular.

Arranging sleeve structures 1 with different diameters; this arrangement can be adapted to non-conforming surgical microscopes.

At least 4 sleeving structures 1 are arranged, and the 4 sleeving structures 1 are respectively arranged on the eyepieces on the two sides of the doctor operating end and the eyepieces on the two sides of the assistant doctor end; this arrangement protects the eyes of the doctor and the assistant doctor from the laser light.

The optical filter placing groove 11 is a semicircular groove, and the optical filter placing groove 11 is arranged on the lower half part of the outer side wall of the sleeving structure 1; this arrangement facilitates the taking and placing of the filter 111.

The optical filter 111 comprises an optical filter 111 for filtering 532nm laser light and an optical filter for filtering

A filter 111 for 1064nm laser.

Embodiment 2 a filtering protective structure for ophthalmologists

The sleeving structure 1 is an annular sleeving barrel with an adjustable caliber, and comprises an adjusting sheet 12 and an adjusting sheet accommodating cavity 13 for accommodating the adjusting sheet 12, wherein the adjusting sheet 12 extends into the adjusting sheet accommodating cavity 13; the diameter of the sleeve joint structure 1 is adjusted by adjusting the length of the adjusting sheet 12 exposed out of the adjusting sheet accommodating cavity 13, so that the sleeve joint structure is suitable for operation microscopes with different specifications.

A push-pull handle 121 is arranged on the adjusting sheet 12, and the push-pull handle 121 is integrally connected with the adjusting sheet 12; a window 131 capable of accommodating the push-pull handle 121 to slide is arranged on the upper wall of the adjusting sheet accommodating cavity 13; this arrangement facilitates pushing and pulling of the tab 12 to adjust the tab 12 to the proper position.

A hand-held handle 1111 convenient for taking the optical filter 111 is arranged at the upper end of the optical filter 111, and the hand-held handle 1111 is integrally connected with the optical filter 111; the handle 1111 is disposed to prevent the hand from directly contacting the filter 111, thereby maintaining the clarity of the filter 111.

Arranging a plurality of filters 111 with different filtering capabilities; this arrangement can meet the requirements for filtering lasers of different intensities.

The optical filter 111 comprises an optical filter 111 for filtering 532nm laser light and an optical filter 111 for filtering 1064nm laser light.

Embodiment 3 an ophthalmologist uses and filters protective structure

The sleeving structure 1 is an annular sleeving barrel matched with the shape of the ocular lens; when in use, the sleeve joint barrel is arranged on the ocular.

A transverse adjusting structure for adjusting the transverse distance of the sleeving structure 1 is arranged between the sleeving structures 1 on the two-side eyepieces, and two ends of the transverse adjusting structure are respectively connected with the sleeving structures 1 integrally; the arrangement can lead the sleeve joint structure 1 to change the transverse distance along with the ocular lens, thereby being suitable for different doctors to use.

The transverse adjusting structure is an elastic connecting rope 14 made of medical silica gel materials, and the elastic connecting rope 14 is integrally connected with the sleeving structure 1; when in use, different doctors can adjust the sleeve structure 1 to a proper distance according to the self needs.

A fixing structure used for guaranteeing the stability of the sleeving structure 1 is arranged and is integrally connected with the accommodating pipe 21.

The fixing structure comprises a connecting rod integrally connected with the accommodating tube 21 and a fixing ring combined and connected with the connecting rod, the fixing ring is arranged on the microscope main body at the rear end of the eyepiece, and the fixing ring is combined and connected with the microscope main body; this kind of setting can be fixed whole light filtering protective structure on the microscope, prevents that cup joint structure 1 from droing from the microscope.

The connecting rod is a longitudinal telescopic rod 3 which is vertical to the direction of the accommodating tube 21, the longitudinal telescopic rod 3 comprises a fixed tube 31 and an adjusting rod 32, and the adjusting rod 32 is arranged in the fixed tube 31; the adjusting rod 32 is combined and connected with the fixed tube 31, one end of the fixed tube 31 is integrally connected with the accommodating tube 21, and the free end of the adjusting rod 32 is combined and connected with the fixed ring; the length of the longitudinal telescopic rod 3 can be adjusted according to the distance between the ocular and the microscope body at the rear end of the ocular, so that the fixing ring is fixed at a proper position.

A locking rotary drum 311 is arranged at the free end of the fixed pipe 31, the inner diameter of the locking rotary drum 311 is larger than the outer diameter of the fixed pipe 31, threads are arranged in the locking rotary drum 311, threads corresponding to the locking rotary drum 311 are arranged on the fixed pipe 31, and the locking rotary drum 311 is connected with the fixed pipe 31 in a combined mode in a threaded connection mode; one end of the locking rotary drum 311 is sleeved on the periphery of the fixed pipe 31, and the other end is sleeved on the periphery of the adjusting rod 32; when the adjusting rod 32 is adjusted to a proper position, the position of the fixing tube 31 and the position of the adjusting rod 32 are fixed by screwing the locking rotary drum 311, so that the length of the longitudinal telescopic rod 3 is kept unchanged.

The fixing ring is an adjustable fixing ring 4 which is made of medical metal materials and has certain softness, and the adjustable fixing ring 4 comprises an angle adjusting structure arranged at the top end of the adjustable fixing ring 4 and a locking structure arranged at the bottom end of the adjustable fixing ring 4; when in use, the angle of the adjustable fixing ring 4 is adjusted through the angle adjusting structure, so that the adjustable fixing ring 4 is smoothly arranged on the microscope body at the rear end of the eyepiece.

The adjustable fixing ring 4 comprises a semicircular arc adjusting cavity 41 and a semicircular arc adjusting section 42, and one end of the semicircular arc adjusting section is arranged in the semicircular arc adjusting cavity 41; the semi-arc adjusting section 42 can rotate in the semi-arc adjusting cavity 41, so that the size of the adjustable fixing ring 4 can be adjusted to adapt to slit-lamp microscopes with different specifications.

The angle adjusting structure comprises a hollow spherical accommodating cavity 44 arranged at the top end of the openable ring and a spherical rotating ball 321 arranged at the free end of the adjusting rod 32; the rotating ball 321 is integrally connected with the adjusting rod 32, and the spherical containing cavity 44 is integrally connected with the openable ring; the rotating ball 321 is arranged in the spherical accommodating cavity 44; the upper end of the spherical accommodating cavity 44 is provided with an opening for ensuring the rotating ball 321 to rotate for 360 degrees; this arrangement ensures that the adjustable retaining ring 4 rotates 360 degrees to adjust to the gentlest angle with the microscope body.

The locking structure comprises fixing plates 43 arranged at two sides of the bottom end of the adjustable fixing ring 4, screw accommodating holes 431 capable of accommodating screws are arranged on the fixing plates 43, and screws are arranged in the screw accommodating holes 431; the outer side wall of the one side fixing plate 43 is provided with a threaded sleeve, and the threaded sleeve and the screw are connected in a combined mode in a threaded mode.

The screw is a telescopic screw 432 which comprises a threaded cylinder 211 with a thread at one end and an adjusting screw arranged in the threaded cylinder 211; the screw of this arrangement can be made longer as the adjustable fixing ring 4 becomes larger.

Embodiment 4 an ophthalmologist uses and filters protective structure

The transverse adjusting structure is a transverse telescopic rod 2, the transverse telescopic rod 2 comprises a movable rod 22 and an accommodating tube 21 for accommodating the movable rod 22, the movable rod 22 is arranged inside the accommodating tube 21, and the movable rod 22 is connected with the accommodating tube 21 in a combined mode; one end of the movable rod 22 is integrally connected with the socket structure 1, and one end of the accommodating tube 21 is integrally connected with the socket structure 1; the telescopic rod is convenient and fast to arrange when the transverse distance of the sleeving connection structure 1 is adjusted, and is time-saving and efficient.

A thread cylinder 211 is arranged on the side wall of one side of the accommodating tube 21, the thread cylinder 211 is communicated with the inside of the accommodating tube 21, and a thread locking handle 212 is arranged in the thread cylinder 211; in use, when the travel bar 22 reaches the appropriate position, the locking knob 212 is tightened to secure the travel bar 22 within the containment tube 21 so that the travel bar 22 is no longer moved, thereby determining the distance between the two sockets 1.

Embodiment 5 an ophthalmologist uses and filters protective structure

The sleeving structure 11 is an annular sleeving barrel matched with the shape of the ocular lens; when in use, the sleeve joint barrel is arranged on the ocular. The sleeving structure 1 is an annular sleeving barrel matched with the shape of the ocular lens; when in use, the sleeve joint barrel is arranged on the ocular.

A hand-held handle 1111 for conveniently taking out the optical filter 111 is arranged at the upper end of the optical filter 111

1111 is integrally connected with the optical filter 111; the arrangement of the hand-held handle 1111 can prevent the hand from directly contacting the optical filter

111 to maintain the clarity of the filter 111.

A filter 111 for 1064nm laser.

The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.

Claims

1. A light filtering protection structure for ophthalmologists comprises a socket joint structure (1) sleeved on the periphery of an eyepiece of a slit lamp microscope, a light filter placing groove (11) arranged on the outer side of the socket joint structure (1) and a light filter (111) used for filtering laser, and is characterized in that a transverse adjusting structure used for adjusting the transverse distance of the socket joint structure (1) is arranged between the socket joint structures (1) on the eyepieces on two sides; the inner diameter of the sleeving structure (1) is larger than the diameter of the ocular lens, the diameter of the optical filter placing groove (11) is larger than the diameter of the optical filter (111), and the diameter of the optical filter (111) is larger than the diameter of the ocular lens; the two ends of the transverse adjusting structure are respectively and integrally connected with a sleeving structure (1), the sleeving structure (1) is combined and connected with the ocular lens, and the optical filter placing groove (11) is integrally connected with the sleeving structure (1); the optical filter (111) is arranged in the optical filter placing groove (11), and the optical filter (111) is connected with the optical filter placing groove (11) in a combined mode.

2. An ophthalmologist filter guard structure according to claim 1, characterised in that the socket structure (1) is provided as an annular socket which conforms to the shape of the eyepiece.

3. An optical filter protection structure for ophthalmologists according to claim 1, wherein the sleeve structure (1) is configured as an annular sleeve with adjustable caliber size, and comprises an adjusting sheet (12) and an adjusting sheet accommodating cavity (13) for accommodating the adjusting sheet (12), and the adjusting sheet (12) extends into the adjusting sheet accommodating cavity (13).

4. An optical filter protection structure for ophthalmologists according to claim 1, wherein the filter placement groove (11) is provided as a semicircular groove, and the filter placement groove (11) is provided in the lower half portion of the outer side wall of the socket structure (1).

5. An ophthalmologist filter guard structure according to claim 1, characterised in that a plurality of said filters (111) of different filter capacities are provided.

6. An optical filter protection structure for ophthalmologists according to claim 1, wherein the lateral adjustment structure is provided as an elastic connection cord (14) made of medical silica gel material, the elastic connection cord (14) being integrally connected with the socket structure (1).

7. The filtering protective structure for ophthalmologists according to claim 1, characterized in that the lateral adjustment structure is provided as a lateral telescopic rod (2), the lateral telescopic rod (2) comprises a moving rod (22) and a containing tube (21) for containing the moving rod (22), the moving rod (22) is arranged inside the containing tube (21), and the moving rod (22) is connected with the containing tube (21) in a combination way; one end of the moving rod (22) is integrally connected with the sleeving structure (1), and one end of the accommodating pipe (21) is integrally connected with the sleeving structure (1).

8. An ophthalmologist filter guard structure according to claim 7, characterised in that a fixing structure is provided for ensuring stability of the socket structure (1).

9. The filtering protective structure for ophthalmologists according to claim 8, characterized in that said fixing structure comprises a connecting rod integrally connected with said containing tube (21) and a fixing ring connected with the connecting rod in combination, said fixing ring being provided on the microscope body at the rear end of said eyepiece, the fixing ring being connected with the microscope body in combination.

10. A filter protection structure for ophthalmologists according to claim 9, wherein the fixing ring is an adjustable fixing ring (4) made of medical metal material and having a certain softness, the top end of the adjustable fixing ring (4) is provided with an angle adjusting structure, and the bottom end of the adjustable fixing ring (4) is provided with a locking structure.